(YARA) YARA_Detect_ExceptionHandler

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rule Detect_SuspendThread: AntiDebug {
    meta: 
        description = "Detect SuspendThread as anti-debug"
        author = "Unprotect"
        comment = "Experimental rule"
    strings:
        $1 = "UnhandledExcepFilter" fullword ascii
        $2 = "SetUnhandledExceptionFilter" fullword ascii
    condition:   
       uint16(0) == 0x5A4D and filesize < 1000KB and any of them 
}

Associated Techniques

Technique Name Technique ID's Snippet(s) OS
Unhandled Exception Filter U0108 B0001.030

Matching Samples 10 most recent

Sample Name Matching Techniques First Seen Last Seen
wireguard-installer.exe 7 2025-06-12 4 days, 3 hours ago
131da83b521f610819141d5c7403...abb22ef504a7593955a65f07.exe 9 2025-06-12 4 days, 4 hours ago
tel.exe 13 2025-06-01 2 weeks, 1 day ago
loader.exe 8 2025-05-29 2 weeks, 4 days ago
cobalt_sample.exe 13 2025-05-25 3 weeks, 1 day ago
unload_sysmon_x64.exe 6 2025-05-18 4 weeks, 1 day ago
ZAP.exe 6 2025-04-26 1 month, 2 weeks ago
BypassThreatBook.exe 5 2025-04-27 1 month, 2 weeks ago
DS4Windows.exe 9 2025-04-19 1 month, 4 weeks ago
xwizard.exe 6 2025-04-18 1 month, 4 weeks ago
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Created

June 22, 2022

Last Revised

June 22, 2022